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PDF Protect

Set password protection

文件零上传 · 即用即删

Introduction

Online PDF encryption tool. Set open and permission passwords for PDF files. Supports restricting printing, copying, and editing.

Usage

  1. 1上传需要加密的 PDF 文件。
  2. 2设置打开密码（用户密码）。
  3. 3可选设置权限密码，限制打印、复制、编辑等操作。
  4. 4点击「加密」按钮，下载受保护的 PDF 文件。

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How it works Upload PDF, set password. The tool generates a self-contained .html file. Anyone opening this HTML file must enter the correct password to download the original PDF. All encryption/decryption is done locally in the browser.

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Drag & drop PDF here, or click to upload

AES-256 encryption, password stays in browser